<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <h3 class="title">欢迎登陆</h3>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input v-model="loginForm.username" name="username" type="text" auto-complete="on" placeholder="username" />
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :type="pwdType"
          v-model="loginForm.password"
          name="password"
          auto-complete="on"
          placeholder="password"
          @keyup.enter.native="handleLogin" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye" />
        </span>
      </el-form-item>
      <el-form-item>
        <el-button :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
          登陆
        </el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
// import { removeToken } from '@/utils/auth'
// import router from '@/router'

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loading: false, // 加载按钮
      pwdType: 'password',
      redirect: undefined,
      loginRules: {
        // username: [{ required: true, trigger: 'blur', message: '请输入登录账号' }],
        // password: [{ required: true, trigger: 'blur', message: '请输入登录密码' }]
      }
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    // 点击显示密码
    showPwd() {
      if (this.pwdType === 'password') {
        this.pwdType = ''
      } else {
        this.pwdType = 'password'
      }
    },
    // 点击登陆
    handleLogin() {
      const self = this
      if (!this.inputValid()) return false
      self.loading = true
      // 登陆
      this.$store.dispatch('Login', self.loginForm).then(() => {
        // 获取用户信息
        self.loading = false
        this.$store.dispatch('GetInfo').then(res => {
          this.$router.push({ path: this.redirect || '/' })
          // if (this.$store.getters.roles.length > 0) {
          //   const allowedPages = this.$store.getters.allowedPages
          //   this.$router.push({ path: this.redirect || '/' })
          // } else {
          //   this.$message.error('该成员无对应角色权限，请联系管理员添加角色权限')
          //   this.$store.commit('SET_TOKEN', '')
          //   this.$store.commit('SET_ROLES', [])
          //   removeToken()
          // }
        }).catch((err) => {
          console.log(err)
        })
      }).catch(() => {
        self.loading = false
      })
    },
    // 校验用户名和密码
    inputValid() {
      if (this.loginForm.username === '' || this.loginForm.username === undefined || this.loginForm.username === null) {
        this.$message.error('请输入登录账号')
        return false
      }
      if (this.loginForm.password === '' || this.loginForm.password === undefined || this.loginForm.password === null) {
        this.$message.error('请输入登录密码')
        return false
      }
      return true
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
$bg:#2d3a4b;
$light_gray:#eee;

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: #fff !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}

</style>

<style rel="stylesheet/scss" lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;
.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    max-width: 100%;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }
  .title {
    font-size: 26px;
    font-weight: 400;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
